import random
from collections import Counter

random_numbers = [random.randint(0, 9) for _ in range(100)]
average = sum(random_numbers) / len(random_numbers)
counts = Counter(random_numbers)
print("随机整数列表", random_numbers)
print("平均值", average)
print("每个数出现次数：")
for number in range(10):
    count = counts[number]
    print(number, ":",count)